Modular device charging system



FIG. 1 is a front perspective view showing a modular device charging system of the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is left side view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the figures depict environmental structure and portions of the modular device charging system that form no part of the claimed design. 

CLAIM The ornamental design for a modular device charging system, as shown and described. 